20121608472

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{111623}}^1$

素因数の和:111705

約数の個数: 128

約数和(自身を含む): 61080652800

約数和(自身を除く): 40959044328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 37, 42, 56, 58, 74, 84, 87, 111, 116, 148, 168, 174, 203, 222, 232, 259, 296, 348, 406, 444, 518, 609, 696, 777, 812, 888, 1036, 1073, 1218, 1554, 1624, 2072, 2146, 2436, 3108, 3219, 4292, 4872, 6216, 6438, 7511, 8584, 12876, 15022, 22533, 25752, 30044, 45066, 60088, 90132, 111623, 180264, 223246, 334869, 446492, 669738, 781361, 892984, 1339476, 1562722, 2344083, 2678952, 3125444, 3237067, 4130051, 4688166, 6250888, 6474134, 8260102, 9376332, 9711201, 12390153, 12948268, 16520204, 18752664, 19422402, 22659469, 24780306, 25896536, 28910357, 33040408, 38844804, 45318938, 49560612, 57820714, 67978407, 77689608, 86731071, 90637876, 99121224, 115641428, 119771479, 135956814, 173462142, 181275752, 231282856, 239542958, 271913628, 346924284, 359314437, 479085916, 543827256, 693848568, 718628874, 838400353, 958171832, 1437257748, 1676800706, 2515201059, 2874515496, 3353601412, 5030402118, 6707202824, 10060804236, 20121608472]

約数ペア:

[(1, 20121608472), (2, 10060804236), (3, 6707202824), (4, 5030402118), (6, 3353601412), (7, 2874515496), (8, 2515201059), (12, 1676800706), (14, 1437257748), (21, 958171832), (24, 838400353), (28, 718628874), (29, 693848568), (37, 543827256), (42, 479085916), (56, 359314437), (58, 346924284), (74, 271913628), (84, 239542958), (87, 231282856), (111, 181275752), (116, 173462142), (148, 135956814), (168, 119771479), (174, 115641428), (203, 99121224), (222, 90637876), (232, 86731071), (259, 77689608), (296, 67978407), (348, 57820714), (406, 49560612), (444, 45318938), (518, 38844804), (609, 33040408), (696, 28910357), (777, 25896536), (812, 24780306), (888, 22659469), (1036, 19422402), (1073, 18752664), (1218, 16520204), (1554, 12948268), (1624, 12390153), (2072, 9711201), (2146, 9376332), (2436, 8260102), (3108, 6474134), (3219, 6250888), (4292, 4688166), (4872, 4130051), (6216, 3237067), (6438, 3125444), (7511, 2678952), (8584, 2344083), (12876, 1562722), (15022, 1339476), (22533, 892984), (25752, 781361), (30044, 669738), (45066, 446492), (60088, 334869), (90132, 223246), (111623, 180264)]